542270896691 has 24 divisors (see below), whose sum is σ = 571452111360. Its totient is φ = 514230029280.

The previous prime is 542270896681. The next prime is 542270896723. The reversal of 542270896691 is 196698072245.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-542270896691 is a prime.

It is a super-2 number, since 2×542270896691² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 542270896691.

It is not an unprimeable number, because it can be changed into a prime (542270896681) 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, 11694290 + ... + 11740568.

It is an arithmetic number, because the mean of its divisors is an integer number (23810504640).

Almost surely, 2^542270896691 is an apocalyptic number.

542270896691 is a deficient number, since it is larger than the sum of its proper divisors (29181214669).

542270896691 is an equidigital number, since it uses as much as digits as its factorization.

542270896691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46515 (or 46454 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 59.

The spelling of 542270896691 in words is "five hundred forty-two billion, two hundred seventy million, eight hundred ninety-six thousand, six hundred ninety-one".