219897737152 has 56 divisors (see below), whose sum is σ = 460911114752. Its totient is φ = 103927622400.

The previous prime is 219897737113. The next prime is 219897737159. The reversal of 219897737152 is 251737798912.

It is a super-2 number, since 2×219897737152² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219897737159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1203474 + ... + 1374097.

Almost surely, 2^219897737152 is an apocalyptic number.

It is an amenable number.

219897737152 is an abundant number, since it is smaller than the sum of its proper divisors (241013377600).

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

219897737152 is a wasteful number, since it uses less digits than its factorization.

219897737152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577657 (or 2577647 counting only the distinct ones).

The product of its digits is 13335840, while the sum is 61.

The spelling of 219897737152 in words is "two hundred nineteen billion, eight hundred ninety-seven million, seven hundred thirty-seven thousand, one hundred fifty-two".