2651891354 has 32 divisors (see below), whose sum is σ = 4603662336. Its totient is φ = 1122199920.

The previous prime is 2651891323. The next prime is 2651891371. The reversal of 2651891354 is 4531981562.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 526709 + ... + 531719.

It is an arithmetic number, because the mean of its divisors is an integer number (143864448).

Almost surely, 2^2651891354 is an apocalyptic number.

2651891354 is a deficient number, since it is larger than the sum of its proper divisors (1951770982).

2651891354 is a wasteful number, since it uses less digits than its factorization.

2651891354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5490.

The product of its digits is 259200, while the sum is 44.

The square root of 2651891354 is about 51496.5178822802. The cubic root of 2651891354 is about 1384.1566464441.

The spelling of 2651891354 in words is "two billion, six hundred fifty-one million, eight hundred ninety-one thousand, three hundred fifty-four".