61448534694 has 12 divisors (see below), whose sum is σ = 133138491876. Its totient is φ = 20482844892.

The previous prime is 61448534663. The next prime is 61448534699. The reversal of 61448534694 is 49643584416.

61448534694 is a `hidden beast` number, since 6 + 1 + 4 + 48 + 534 + 69 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 61448534694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61448534699) 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, 1706903724 + ... + 1706903759.

It is an arithmetic number, because the mean of its divisors is an integer number (11094874323).

Almost surely, 2^61448534694 is an apocalyptic number.

61448534694 is an abundant number, since it is smaller than the sum of its proper divisors (71689957182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61448534694 is a wasteful number, since it uses less digits than its factorization.

61448534694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413807491 (or 3413807488 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 54.

The spelling of 61448534694 in words is "sixty-one billion, four hundred forty-eight million, five hundred thirty-four thousand, six hundred ninety-four".