1399637424730 has 16 divisors (see below), whose sum is σ = 2519411986080. Its totient is φ = 559840609552.

The previous prime is 1399637424677. The next prime is 1399637424763. The reversal of 1399637424730 is 374247369931.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1381144 + ... + 2169523.

It is an arithmetic number, because the mean of its divisors is an integer number (157463249130).

Almost surely, 2^{1399637424730} is an apocalyptic number.

1399637424730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1399637424730 is a deficient number, since it is larger than the sum of its proper divisors (1119774561350).

1399637424730 is a wasteful number, since it uses less digits than its factorization.

1399637424730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590093.

The product of its (nonzero) digits is 20575296, while the sum is 58.

The spelling of 1399637424730 in words is "one trillion, three hundred ninety-nine billion, six hundred thirty-seven million, four hundred twenty-four thousand, seven hundred thirty".