35370549721 has 16 divisors (see below), whose sum is σ = 38456550160. Its totient is φ = 32338206720.

The previous prime is 35370549691. The next prime is 35370549727. The reversal of 35370549721 is 12794507353.

It is the 76780-th star number.

It can be written as a sum of positive squares in 8 ways, for example, as 686702025 + 34683847696 = 26205^2 + 186236^2 .

It is a 5-Lehmer number, since φ(35370549721) divides (35370549721-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 35370549721 - 2¹⁷ = 35370418649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35370549727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 543781 + ... + 605341.

It is an arithmetic number, because the mean of its divisors is an integer number (2403534385).

Almost surely, 2^35370549721 is an apocalyptic number.

It is an amenable number.

35370549721 is a deficient number, since it is larger than the sum of its proper divisors (3086000439).

35370549721 is a wasteful number, since it uses less digits than its factorization.

35370549721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61996.

The product of its (nonzero) digits is 793800, while the sum is 46.

The spelling of 35370549721 in words is "thirty-five billion, three hundred seventy million, five hundred forty-nine thousand, seven hundred twenty-one".