1518850953 has 8 divisors (see below), whose sum is σ = 2250149600. Its totient is φ = 1012567284.

The previous prime is 1518850951. The next prime is 1518850997. The reversal of 1518850953 is 3590588151.

1518850953 is a `hidden beast` number, since 1 + 518 + 85 + 0 + 9 + 53 = 666.

It is not a de Polignac number, because 1518850953 - 2¹ = 1518850951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1518850899 and 1518850908.

It is not an unprimeable number, because it can be changed into a prime (1518850951) 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, 28126843 + ... + 28126896.

It is an arithmetic number, because the mean of its divisors is an integer number (281268700).

Almost surely, 2^1518850953 is an apocalyptic number.

It is an amenable number.

1518850953 is a deficient number, since it is larger than the sum of its proper divisors (731298647).

1518850953 is an equidigital number, since it uses as much as digits as its factorization.

1518850953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56253748 (or 56253742 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 45.

The square root of 1518850953 is about 38972.4383763706. The cubic root of 1518850953 is about 1149.4896167458.

The spelling of 1518850953 in words is "one billion, five hundred eighteen million, eight hundred fifty thousand, nine hundred fifty-three".