5157961019 has 4 divisors (see below), whose sum is σ = 5158203600. Its totient is φ = 5157718440.

The previous prime is 5157960961. The next prime is 5157961033. The reversal of 5157961019 is 9101697515.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9101697515 = 5 ⋅1820339503.

It is a cyclic number.

It is not a de Polignac number, because 5157961019 - 2³² = 862993723 is a prime.

It is a super-2 number, since 2×5157961019² = 53209123747047036722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5157961519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85967 + ... + 133064.

It is an arithmetic number, because the mean of its divisors is an integer number (1289550900).

Almost surely, 2^5157961019 is an apocalyptic number.

5157961019 is a deficient number, since it is larger than the sum of its proper divisors (242581).

5157961019 is a wasteful number, since it uses less digits than its factorization.

5157961019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242580.

The product of its (nonzero) digits is 85050, while the sum is 44.

The square root of 5157961019 is about 71818.9461005938. The cubic root of 5157961019 is about 1727.7968791445.

The spelling of 5157961019 in words is "five billion, one hundred fifty-seven million, nine hundred sixty-one thousand, nineteen".