197512813380 has 48 divisors (see below), whose sum is σ = 554246098560. Its totient is φ = 52554824448.

The previous prime is 197512813373. The next prime is 197512813397. The reversal of 197512813380 is 83318215791.

It is a super-2 number, since 2×197512813380² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3574200 + ... + 3629039.

It is an arithmetic number, because the mean of its divisors is an integer number (11546793720).

Almost surely, 2^197512813380 is an apocalyptic number.

197512813380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197512813380 is an abundant number, since it is smaller than the sum of its proper divisors (356733285180).

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

197512813380 is a wasteful number, since it uses less digits than its factorization.

197512813380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7203708 (or 7203706 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 48.

The spelling of 197512813380 in words is "one hundred ninety-seven billion, five hundred twelve million, eight hundred thirteen thousand, three hundred eighty".