61948370583 has 96 divisors (see below), whose sum is σ = 111330236160. Its totient is φ = 32696939520.

The previous prime is 61948370581. The next prime is 61948370639. The reversal of 61948370583 is 38507384916.

61948370583 is a `hidden beast` number, since 6 + 19 + 48 + 3 + 7 + 0 + 583 = 666.

It is not a de Polignac number, because 61948370583 - 2¹ = 61948370581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61948370581) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1352485 + ... + 1397537.

It is an arithmetic number, because the mean of its divisors is an integer number (1159689960).

Almost surely, 2^61948370583 is an apocalyptic number.

61948370583 is a deficient number, since it is larger than the sum of its proper divisors (49381865577).

61948370583 is a wasteful number, since it uses less digits than its factorization.

61948370583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45149 (or 45146 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 61948370583 in words is "sixty-one billion, nine hundred forty-eight million, three hundred seventy thousand, five hundred eighty-three".