196437903481 has 12 divisors (see below), whose sum is σ = 209241493888. Its totient is φ = 184378865472.

The previous prime is 196437903449. The next prime is 196437903547. The reversal of 196437903481 is 184309734691.

It is not a de Polignac number, because 196437903481 - 2⁵ = 196437903449 is a prime.

It is a super-2 number, since 2×196437903481² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196437903581) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 819981 + ... + 1032106.

Almost surely, 2^196437903481 is an apocalyptic number.

It is an amenable number.

196437903481 is a deficient number, since it is larger than the sum of its proper divisors (12803590407).

196437903481 is a wasteful number, since it uses less digits than its factorization.

196437903481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852488 (or 1852471 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 196437903481 in words is "one hundred ninety-six billion, four hundred thirty-seven million, nine hundred three thousand, four hundred eighty-one".