397103434515 has 24 divisors (see below), whose sum is σ = 702957572928. Its totient is φ = 207282359040.

The previous prime is 397103434493. The next prime is 397103434517. The reversal of 397103434515 is 515434301793.

397103434515 is a `hidden beast` number, since 3 + 9 + 71 + 0 + 34 + 34 + 515 = 666.

It is not a de Polignac number, because 397103434515 - 2⁶ = 397103434451 is a prime.

It is a super-2 number, since 2×397103434515² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (397103434517) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93875766 + ... + 93879995.

It is an arithmetic number, because the mean of its divisors is an integer number (29289898872).

Almost surely, 2^397103434515 is an apocalyptic number.

397103434515 is a deficient number, since it is larger than the sum of its proper divisors (305854138413).

397103434515 is a wasteful number, since it uses less digits than its factorization.

397103434515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187755819 (or 187755816 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The spelling of 397103434515 in words is "three hundred ninety-seven billion, one hundred three million, four hundred thirty-four thousand, five hundred fifteen".