61252670719 has 4 divisors (see below), whose sum is σ = 62908148344. Its totient is φ = 59597193096.

The previous prime is 61252670627. The next prime is 61252670741. The reversal of 61252670719 is 91707625216.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61252670719 - 2¹¹ = 61252668671 is a prime.

It is a super-2 number, since 2×61252670719² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61252674719) 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, 827738757 + ... + 827738830.

It is an arithmetic number, because the mean of its divisors is an integer number (15727037086).

Almost surely, 2^61252670719 is an apocalyptic number.

61252670719 is a deficient number, since it is larger than the sum of its proper divisors (1655477625).

61252670719 is a wasteful number, since it uses less digits than its factorization.

61252670719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655477624.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 61252670719 in words is "sixty-one billion, two hundred fifty-two million, six hundred seventy thousand, seven hundred nineteen".