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74040449064949 is a prime number
BaseRepresentation
bin10000110101011011100010…
…101010100101111111110101
3100201011012100012100212112101
4100311123202222211333311
534201034314430034244
6421245413541222101
721411150231023203
oct2065334252457765
9321135305325471
1074040449064949
11216564182a2994
128379650701931
133240ca4914ba3
14143d810c6a073
15885e66ade0d4
hex4356e2aa5ff5

74040449064949 has 2 divisors, whose sum is σ = 74040449064950. Its totient is φ = 74040449064948.

The previous prime is 74040449064943. The next prime is 74040449065103. The reversal of 74040449064949 is 94946094404047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70782893348049 + 3257555716900 = 8413257^2 + 1804870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-74040449064949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74040449064943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37020224532474 + 37020224532475.

It is an arithmetic number, because the mean of its divisors is an integer number (37020224532475).

Almost surely, 274040449064949 is an apocalyptic number.

It is an amenable number.

74040449064949 is a deficient number, since it is larger than the sum of its proper divisors (1).

74040449064949 is an equidigital number, since it uses as much as digits as its factorization.

74040449064949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125411328, while the sum is 64.

The spelling of 74040449064949 in words is "seventy-four trillion, forty billion, four hundred forty-nine million, sixty-four thousand, nine hundred forty-nine".