61403663542914 has 96 divisors (see below), whose sum is σ = 171220270141440. Its totient is φ = 15434519522400.

The previous prime is 61403663542913. The next prime is 61403663542937. The reversal of 61403663542914 is 41924536630416.

61403663542914 is a `hidden beast` number, since 6 + 1 + 4 + 0 + 3 + 6 + 6 + 3 + 542 + 91 + 4 = 666.

It is a super-2 number, since 2×61403663542914² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61403663542913) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 714518124 + ... + 714604055.

It is an arithmetic number, because the mean of its divisors is an integer number (1783544480640).

Almost surely, 2^{61403663542914} is an apocalyptic number.

61403663542914 is an abundant number, since it is smaller than the sum of its proper divisors (109816606598526).

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

61403663542914 is a wasteful number, since it uses less digits than its factorization.

61403663542914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429122236 (or 1429122233 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 54.

The spelling of 61403663542914 in words is "sixty-one trillion, four hundred three billion, six hundred sixty-three million, five hundred forty-two thousand, nine hundred fourteen".