61450425454 has 16 divisors (see below), whose sum is σ = 101550841776. Its totient is φ = 27655456000.

The previous prime is 61450425431. The next prime is 61450425469. The reversal of 61450425454 is 45452405416.

It is a super-2 number, since 2×61450425454² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13825507 + ... + 13829950.

It is an arithmetic number, because the mean of its divisors is an integer number (6346927611).

Almost surely, 2^61450425454 is an apocalyptic number.

61450425454 is a deficient number, since it is larger than the sum of its proper divisors (40100416322).

61450425454 is a wasteful number, since it uses less digits than its factorization.

61450425454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27655571.

The product of its (nonzero) digits is 384000, while the sum is 40.

The spelling of 61450425454 in words is "sixty-one billion, four hundred fifty million, four hundred twenty-five thousand, four hundred fifty-four".