696540006470490 has 512 divisors, whose sum is σ = 2169499592687616. Its totient is φ = 139165456942080.

The previous prime is 696540006470423. The next prime is 696540006470491. The reversal of 696540006470490 is 94074600045696.

It is a happy number.

It is a super-2 number, since 2×696540006470490² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (696540006470491) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 21427368817 + ... + 21427401323.

It is an arithmetic number, because the mean of its divisors is an integer number (4237303891968).

Almost surely, 2^{696540006470490} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 696540006470490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1084749796343808).

696540006470490 is an abundant number, since it is smaller than the sum of its proper divisors (1472959586217126).

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

696540006470490 is a wasteful number, since it uses less digits than its factorization.

696540006470490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38002.

The product of its (nonzero) digits is 39191040, while the sum is 60.

The spelling of 696540006470490 in words is "six hundred ninety-six trillion, five hundred forty billion, six million, four hundred seventy thousand, four hundred ninety".