61452811948 has 12 divisors (see below), whose sum is σ = 117319004712. Its totient is φ = 27933096320.

The previous prime is 61452811921. The next prime is 61452811969. The reversal of 61452811948 is 84911825416.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698327365 + ... + 698327452.

It is an arithmetic number, because the mean of its divisors is an integer number (9776583726).

Almost surely, 2^61452811948 is an apocalyptic number.

It is an amenable number.

61452811948 is a deficient number, since it is larger than the sum of its proper divisors (55866192764).

61452811948 is a wasteful number, since it uses less digits than its factorization.

61452811948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396654832 (or 1396654830 counting only the distinct ones).

The product of its digits is 552960, while the sum is 49.

The spelling of 61452811948 in words is "sixty-one billion, four hundred fifty-two million, eight hundred eleven thousand, nine hundred forty-eight".