61546422512402 has 32 divisors (see below), whose sum is σ = 96434783331840. Its totient is φ = 29425644927360.

The previous prime is 61546422512387. The next prime is 61546422512417. The reversal of 61546422512402 is 20421522464516.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (61546422512387) and next prime (61546422512417).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4179473 + ... + 11855835.

It is an arithmetic number, because the mean of its divisors is an integer number (3013586979120).

Almost surely, 2^{61546422512402} is an apocalyptic number.

61546422512402 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

61546422512402 is a deficient number, since it is larger than the sum of its proper divisors (34888360819438).

61546422512402 is a wasteful number, since it uses less digits than its factorization.

61546422512402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7677938.

The product of its (nonzero) digits is 921600, while the sum is 44.

Adding to 61546422512402 its reverse (20421522464516), we get a palindrome (81967944976918).

The spelling of 61546422512402 in words is "sixty-one trillion, five hundred forty-six billion, four hundred twenty-two million, five hundred twelve thousand, four hundred two".