690354034037 has 4 divisors (see below), whose sum is σ = 690566388576. Its totient is φ = 690141679500.

The previous prime is 690354034021. The next prime is 690354034043. The reversal of 690354034037 is 730430453096.

690354034037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 690354034037 - 2⁴ = 690354034021 is a prime.

It is a super-2 number, since 2×690354034037² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690354034087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106172393 + ... + 106178894.

It is an arithmetic number, because the mean of its divisors is an integer number (172641597144).

Almost surely, 2^690354034037 is an apocalyptic number.

It is an amenable number.

690354034037 is a deficient number, since it is larger than the sum of its proper divisors (212354539).

690354034037 is a wasteful number, since it uses less digits than its factorization.

690354034037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212354538.

The product of its (nonzero) digits is 816480, while the sum is 44.

The spelling of 690354034037 in words is "six hundred ninety billion, three hundred fifty-four million, thirty-four thousand, thirty-seven".