2151062494 has 32 divisors (see below), whose sum is σ = 3742361280. Its totient is φ = 908264448.

The previous prime is 2151062491. The next prime is 2151062521. The reversal of 2151062494 is 4942601512.

2151062494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151062491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307524 + ... + 314440.

It is an arithmetic number, because the mean of its divisors is an integer number (116948790).

Almost surely, 2^2151062494 is an apocalyptic number.

2151062494 is a deficient number, since it is larger than the sum of its proper divisors (1591298786).

2151062494 is a wasteful number, since it uses less digits than its factorization.

2151062494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7252.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 2151062494 is about 46379.5482297963. The cubic root of 2151062494 is about 1290.8754536561.

The spelling of 2151062494 in words is "two billion, one hundred fifty-one million, sixty-two thousand, four hundred ninety-four".