29012438761 has 2 divisors, whose sum is σ = 29012438762. Its totient is φ = 29012438760.

The previous prime is 29012438729. The next prime is 29012438773. The reversal of 29012438761 is 16783421092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23936731225 + 5075707536 = 154715^2 + 71244^2 .

It is a cyclic number.

It is not a de Polignac number, because 29012438761 - 2⁵ = 29012438729 is a prime.

It is not a weakly prime, because it can be changed into another prime (29012433761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14506219380 + 14506219381.

It is an arithmetic number, because the mean of its divisors is an integer number (14506219381).

Almost surely, 2^29012438761 is an apocalyptic number.

It is an amenable number.

29012438761 is a deficient number, since it is larger than the sum of its proper divisors (1).

29012438761 is an equidigital number, since it uses as much as digits as its factorization.

29012438761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 29012438761 in words is "twenty-nine billion, twelve million, four hundred thirty-eight thousand, seven hundred sixty-one".