47019531769 has 32 divisors (see below), whose sum is σ = 56405606400. Its totient is φ = 39156742800.

The previous prime is 47019531761. The next prime is 47019531799. The reversal of 47019531769 is 96713591074.

It is not a de Polignac number, because 47019531769 - 2³ = 47019531761 is a prime.

It is a super-2 number, since 2×47019531769² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47019531761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2808714 + ... + 2825404.

It is an arithmetic number, because the mean of its divisors is an integer number (1762675200).

Almost surely, 2^47019531769 is an apocalyptic number.

47019531769 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

47019531769 is a deficient number, since it is larger than the sum of its proper divisors (9386074631).

47019531769 is a wasteful number, since it uses less digits than its factorization.

47019531769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16946 (or 16932 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 52.

The spelling of 47019531769 in words is "forty-seven billion, nineteen million, five hundred thirty-one thousand, seven hundred sixty-nine".