2690493716 has 6 divisors (see below), whose sum is σ = 4708364010. Its totient is φ = 1345246856.

The previous prime is 2690493697. The next prime is 2690493719. The reversal of 2690493716 is 6173940962.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2470090000 + 220403716 = 49700^2 + 14846^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2690493719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336311711 + ... + 336311718.

It is an arithmetic number, because the mean of its divisors is an integer number (784727335).

Almost surely, 2^2690493716 is an apocalyptic number.

It is an amenable number.

2690493716 is a deficient number, since it is larger than the sum of its proper divisors (2017870294).

2690493716 is a wasteful number, since it uses less digits than its factorization.

2690493716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672623433 (or 672623431 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 2690493716 is about 51869.9693078760. The cubic root of 2690493716 is about 1390.8404964504.

The spelling of 2690493716 in words is "two billion, six hundred ninety million, four hundred ninety-three thousand, seven hundred sixteen".