46867181949 has 72 divisors (see below), whose sum is σ = 84824842752. Its totient is φ = 24790328640.

The previous prime is 46867181947. The next prime is 46867181957. The reversal of 46867181949 is 94918176864.

46867181949 is a `hidden beast` number, since 468 + 6 + 7 + 1 + 81 + 94 + 9 = 666.

46867181949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 46867181949 - 2¹ = 46867181947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46867181947) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 239907 + ... + 388959.

It is an arithmetic number, because the mean of its divisors is an integer number (1178122816).

Almost surely, 2^46867181949 is an apocalyptic number.

46867181949 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

46867181949 is a deficient number, since it is larger than the sum of its proper divisors (37957660803).

46867181949 is a wasteful number, since it uses less digits than its factorization.

46867181949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149127 (or 149117 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 63.

The spelling of 46867181949 in words is "forty-six billion, eight hundred sixty-seven million, one hundred eighty-one thousand, nine hundred forty-nine".