690480819972 has 108 divisors (see below), whose sum is σ = 1881273977856. Its totient is φ = 213407097120.

The previous prime is 690480819961. The next prime is 690480819983. The reversal of 690480819972 is 279918084096.

690480819972 is a `hidden beast` number, since 6 + 9 + 0 + 480 + 81 + 9 + 9 + 72 = 666.

It is an interprime number because it is at equal distance from previous prime (690480819961) and next prime (690480819983).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 45597 + ... + 1176027.

Almost surely, 2^690480819972 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690480819972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (940636988928).

690480819972 is an abundant number, since it is smaller than the sum of its proper divisors (1190793157884).

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

690480819972 is a wasteful number, since it uses less digits than its factorization.

690480819972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130526 (or 1130502 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 63.

The spelling of 690480819972 in words is "six hundred ninety billion, four hundred eighty million, eight hundred nineteen thousand, nine hundred seventy-two".