690383450054 has 16 divisors (see below), whose sum is σ = 1036897063488. Its totient is φ = 344751185472.

The previous prime is 690383450051. The next prime is 690383450059. The reversal of 690383450054 is 450054383096.

It is a junction number, because it is equal to n+sod(n) for n = 690383449990 and 690383450008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690383450051) 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, 22124147 + ... + 22155329.

It is an arithmetic number, because the mean of its divisors is an integer number (64806066468).

Almost surely, 2^690383450054 is an apocalyptic number.

690383450054 is a deficient number, since it is larger than the sum of its proper divisors (346513613434).

690383450054 is a wasteful number, since it uses less digits than its factorization.

690383450054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44959.

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 690383450054 in words is "six hundred ninety billion, three hundred eighty-three million, four hundred fifty thousand, fifty-four".