61245408494 has 16 divisors (see below), whose sum is σ = 92117526480. Its totient is φ = 30539615040.

The previous prime is 61245408461. The next prime is 61245408503. The reversal of 61245408494 is 49480454216.

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, 3000764 + ... + 3021104.

It is an arithmetic number, because the mean of its divisors is an integer number (5757345405).

Almost surely, 2^61245408494 is an apocalyptic number.

61245408494 is a deficient number, since it is larger than the sum of its proper divisors (30872117986).

61245408494 is a wasteful number, since it uses less digits than its factorization.

61245408494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24355.

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 61245408494 in words is "sixty-one billion, two hundred forty-five million, four hundred eight thousand, four hundred ninety-four".