61095631919 has 6 divisors (see below), whose sum is σ = 71070429024. Its totient is φ = 52367684460.

The previous prime is 61095631897. The next prime is 61095631981. The reversal of 61095631919 is 91913659016.

It is not a de Polignac number, because 61095631919 - 2²⁰ = 61094583343 is a prime.

It is a super-2 number, since 2×61095631919² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61095631819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 623424767 + ... + 623424864.

It is an arithmetic number, because the mean of its divisors is an integer number (11845071504).

Almost surely, 2^61095631919 is an apocalyptic number.

61095631919 is a deficient number, since it is larger than the sum of its proper divisors (9974797105).

61095631919 is a wasteful number, since it uses less digits than its factorization.

61095631919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246849645 (or 1246849638 counting only the distinct ones).

The product of its (nonzero) digits is 393660, while the sum is 50.

The spelling of 61095631919 in words is "sixty-one billion, ninety-five million, six hundred thirty-one thousand, nine hundred nineteen".