2051015954 has 16 divisors (see below), whose sum is σ = 3313990680. Its totient is φ = 946391040.

The previous prime is 2051015951. The next prime is 2051015969. The reversal of 2051015954 is 4595101502.

It can be written as a sum of positive squares in 4 ways, for example, as 551545225 + 1499470729 = 23485^2 + 38723^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2051015954.

It is not an unprimeable number, because it can be changed into a prime (2051015951) 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, 145874 + ... + 159314.

Almost surely, 2^2051015954 is an apocalyptic number.

2051015954 is a deficient number, since it is larger than the sum of its proper divisors (1262974726).

2051015954 is a wasteful number, since it uses less digits than its factorization.

2051015954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19325.

The product of its (nonzero) digits is 9000, while the sum is 32.

The square root of 2051015954 is about 45288.1436360556. The cubic root of 2051015954 is about 1270.5439119367.

The spelling of 2051015954 in words is "two billion, fifty-one million, fifteen thousand, nine hundred fifty-four".