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1479710450861 is a prime number
BaseRepresentation
bin10101100010000101100…
…111011010010010101101
312020110101120021020201122
4111202011213122102231
5143220421333411421
63051434122150325
7211622414210036
oct25420547322255
95213346236648
101479710450861
115205a5a78865
121ba9400523a5
13a96c7a5ca26
1451892b31a8d
1528755ed62ab
hex158859da4ad

1479710450861 has 2 divisors, whose sum is σ = 1479710450862. Its totient is φ = 1479710450860.

The previous prime is 1479710450857. The next prime is 1479710450951. The reversal of 1479710450861 is 1680540179741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1033628055625 + 446082395236 = 1016675^2 + 667894^2 .

It is an emirp because it is prime and its reverse (1680540179741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1479710450861 - 22 = 1479710450857 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1479710450161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 739855225430 + 739855225431.

It is an arithmetic number, because the mean of its divisors is an integer number (739855225431).

Almost surely, 21479710450861 is an apocalyptic number.

It is an amenable number.

1479710450861 is a deficient number, since it is larger than the sum of its proper divisors (1).

1479710450861 is an equidigital number, since it uses as much as digits as its factorization.

1479710450861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 53.

The spelling of 1479710450861 in words is "one trillion, four hundred seventy-nine billion, seven hundred ten million, four hundred fifty thousand, eight hundred sixty-one".