1479621547 has 2 divisors, whose sum is σ = 1479621548. Its totient is φ = 1479621546.

The previous prime is 1479621467. The next prime is 1479621581. The reversal of 1479621547 is 7451269741.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1479621547 - 2¹⁵ = 1479588779 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1479621497 and 1479621506.

It is not a weakly prime, because it can be changed into another prime (1479621347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 739810773 + 739810774.

It is an arithmetic number, because the mean of its divisors is an integer number (739810774).

Almost surely, 2^1479621547 is an apocalyptic number.

1479621547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1479621547 is an equidigital number, since it uses as much as digits as its factorization.

1479621547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 46.

The square root of 1479621547 is about 38465.8491002084. The cubic root of 1479621547 is about 1139.5066981826.

The spelling of 1479621547 in words is "one billion, four hundred seventy-nine million, six hundred twenty-one thousand, five hundred forty-seven".