1238660470839 has 16 divisors (see below), whose sum is σ = 1801711828224. Its totient is φ = 750693369600.

The previous prime is 1238660470793. The next prime is 1238660470843. The reversal of 1238660470839 is 9380740668321.

It is not a de Polignac number, because 1238660470839 - 2⁷ = 1238660470711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238660470849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2859847 + ... + 3264359.

It is an arithmetic number, because the mean of its divisors is an integer number (112606989264).

Almost surely, 2^{1238660470839} is an apocalyptic number.

1238660470839 is a deficient number, since it is larger than the sum of its proper divisors (563051357385).

1238660470839 is a wasteful number, since it uses less digits than its factorization.

1238660470839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497318.

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 1238660470839 in words is "one trillion, two hundred thirty-eight billion, six hundred sixty million, four hundred seventy thousand, eight hundred thirty-nine".