40701033491 has 2 divisors, whose sum is σ = 40701033492. Its totient is φ = 40701033490.

The previous prime is 40701033479. The next prime is 40701033523. The reversal of 40701033491 is 19433010704.

It is an a-pointer prime, because the next prime (40701033523) can be obtained adding 40701033491 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40701033491 is a prime.

It is not a weakly prime, because it can be changed into another prime (40701033691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20350516745 + 20350516746.

It is an arithmetic number, because the mean of its divisors is an integer number (20350516746).

Almost surely, 2^40701033491 is an apocalyptic number.

40701033491 is a deficient number, since it is larger than the sum of its proper divisors (1).

40701033491 is an equidigital number, since it uses as much as digits as its factorization.

40701033491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The spelling of 40701033491 in words is "forty billion, seven hundred one million, thirty-three thousand, four hundred ninety-one".