61867563003 has 6 divisors (see below), whose sum is σ = 89364257684. Its totient is φ = 41245041996.

The previous prime is 61867562993. The next prime is 61867563007. The reversal of 61867563003 is 30036576816.

61867563003 is a `hidden beast` number, since 6 + 1 + 8 + 6 + 7 + 5 + 630 + 0 + 3 = 666.

It is not a de Polignac number, because 61867563003 - 2¹⁴ = 61867546619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61867563003.

It is not an unprimeable number, because it can be changed into a prime (61867563007) 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, 3437086825 + ... + 3437086842.

Almost surely, 2^61867563003 is an apocalyptic number.

61867563003 is a deficient number, since it is larger than the sum of its proper divisors (27496694681).

61867563003 is a wasteful number, since it uses less digits than its factorization.

61867563003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6874173673 (or 6874173670 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 61867563003 in words is "sixty-one billion, eight hundred sixty-seven million, five hundred sixty-three thousand, three".