1597690053834 has 96 divisors (see below), whose sum is σ = 3736058167296. Its totient is φ = 454156385760.

The previous prime is 1597690053809. The next prime is 1597690053859. The reversal of 1597690053834 is 4383500967951.

It is an interprime number because it is at equal distance from previous prime (1597690053809) and next prime (1597690053859).

It is a super-2 number, since 2×1597690053834² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57909207 + ... + 57936789.

It is an arithmetic number, because the mean of its divisors is an integer number (38917272576).

Almost surely, 2^{1597690053834} is an apocalyptic number.

1597690053834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1597690053834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1868029083648).

1597690053834 is an abundant number, since it is smaller than the sum of its proper divisors (2138368113462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1597690053834 is a wasteful number, since it uses less digits than its factorization.

1597690053834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28600 (or 28593 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 60.

The spelling of 1597690053834 in words is "one trillion, five hundred ninety-seven billion, six hundred ninety million, fifty-three thousand, eight hundred thirty-four".