61974012269 has 8 divisors (see below), whose sum is σ = 66851205120. Its totient is φ = 57112528176.

The previous prime is 61974012241. The next prime is 61974012277. The reversal of 61974012269 is 96221047916.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61974012269 - 2²⁰ = 61972963693 is a prime.

It is a super-2 number, since 2×61974012269² (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 (61974012169) 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, 3918989 + ... + 3934770.

It is an arithmetic number, because the mean of its divisors is an integer number (8356400640).

Almost surely, 2^61974012269 is an apocalyptic number.

It is an amenable number.

61974012269 is a deficient number, since it is larger than the sum of its proper divisors (4877192851).

61974012269 is a wasteful number, since it uses less digits than its factorization.

61974012269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7854379.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 61974012269 in words is "sixty-one billion, nine hundred seventy-four million, twelve thousand, two hundred sixty-nine".