1690607513 has 8 divisors (see below), whose sum is σ = 1942799040. Its totient is φ = 1441085040.

The previous prime is 1690607473. The next prime is 1690607521. The reversal of 1690607513 is 3157060961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1690607513 - 2⁸ = 1690607257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1690607533) 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, 665903 + ... + 668436.

It is an arithmetic number, because the mean of its divisors is an integer number (242849880).

Almost surely, 2^1690607513 is an apocalyptic number.

It is an amenable number.

1690607513 is a deficient number, since it is larger than the sum of its proper divisors (252191527).

1690607513 is a wasteful number, since it uses less digits than its factorization.

1690607513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334527.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 1690607513 is about 41116.9978597660. The cubic root of 1690607513 is about 1191.2811363180.

The spelling of 1690607513 in words is "one billion, six hundred ninety million, six hundred seven thousand, five hundred thirteen".